Ruler with adjustable diameter compass



FIG. 1 shows a perspective view of the present invention;

FIG. 2 shows a bottom view of the present invention;

FIG. 3 shows a side view of the present invention;

FIG. 4 shows the other side view of the present invention;

FIG. 5 shows one end view of the present invention; and,

FIG. 6 shows the other end view of the present invention. 

The ornamental design for a ruler with adjustable diameter compass, as shown and described. 